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Those who constantly peruse YouTube might already have known that Arizona Coach Sean Miller, who will be leading his fifth-seeded Wildcats against top-seeded Duke in an NCAA West Regional semifinal game Thursday in Anaheim, was once a guest on "The Tonight Show Starring Johnny Carson."

But for those of us with day jobs, this information is news. Here's your video evidence of the 14-year-old Miller showcasing his impressive dribbling skills for Carson.

And if you needed any further evidence that Miller was quite the dribbling prodigy as a youngster, here you go: